New intermetallics YbAu2In4and Yb2Au 3In5

C. Peter Sebastian, James Salvador, Joshua B. Martin, Mercouri G Kanatzidis

Research output: Contribution to journalArticle

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Abstract

The intermetallic compounds YbAu2In4and Yb 2Au3In5were obtained as single crystals in high yield from reactions run in liquid indium. Single crystal X-ray diffraction data of YbAu2In4showed that it crystallizes as a new structure type in the monoclinic space group P21/m and lattice constants a = 7.6536(19) Å, b = 4.5424(11) Å, c = 9.591(2) Å and β = 107.838(4)°. The YbAu2In4compound is composed of a complex [Au2In4]3-polyanionic network in which the rare-earth ions are embedded. Yb2Au 3In5crystallizes in the polar space group Cmc2 1with the Y2Rh3Sn5type structure and lattice constants a = 4.5351(9) Å, b = 26.824(5) Å, and c = 7.4641(15) Å. The gold and indium atoms define a complex three-dimensional [Au3In5] network with a broad range of Au-In (2.751(2) Å-3.0518(16) Å) and In-In (3.062(3) Å-3.3024(19) Å) distances. Magnetic susceptibility measurements of YbAu2In 4revealed a transition at 25 K. Below the transition, the susceptibility of YbAu2In4follows Curie-Weiss behavior with an effective paramagnetic moment of 0.79 μB/Yb. Magnetic susceptibility measurements on Yb2Au3In5show a mixed valent ytterbium and the magnetic moment within the linear region (B/Yb. Heat capacity data for YbAu2In 4and Yb2Au3In5give Debye temperatures of 185 and 153 K, respectively.

Original languageEnglish
Pages (from-to)10468-10474
Number of pages7
JournalInorganic Chemistry
Volume49
Issue number22
DOIs
Publication statusPublished - Nov 15 2010

Fingerprint

Indium
Magnetic susceptibility
Lattice constants
Intermetallics
intermetallics
Ytterbium
Single crystals
magnetic permeability
Debye temperature
indium
Magnetic moments
specific heat
Gold
Rare earths
Specific heat
single crystals
ytterbium
Ions
X ray diffraction
Atoms

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry

Cite this

Sebastian, C. P., Salvador, J., Martin, J. B., & Kanatzidis, M. G. (2010). New intermetallics YbAu2In4and Yb2Au 3In5. Inorganic Chemistry, 49(22), 10468-10474. https://doi.org/10.1021/ic101502e

New intermetallics YbAu2In4and Yb2Au 3In5. / Sebastian, C. Peter; Salvador, James; Martin, Joshua B.; Kanatzidis, Mercouri G.

In: Inorganic Chemistry, Vol. 49, No. 22, 15.11.2010, p. 10468-10474.

Research output: Contribution to journalArticle

Sebastian, CP, Salvador, J, Martin, JB & Kanatzidis, MG 2010, 'New intermetallics YbAu2In4and Yb2Au 3In5', Inorganic Chemistry, vol. 49, no. 22, pp. 10468-10474. https://doi.org/10.1021/ic101502e
Sebastian CP, Salvador J, Martin JB, Kanatzidis MG. New intermetallics YbAu2In4and Yb2Au 3In5. Inorganic Chemistry. 2010 Nov 15;49(22):10468-10474. https://doi.org/10.1021/ic101502e
Sebastian, C. Peter ; Salvador, James ; Martin, Joshua B. ; Kanatzidis, Mercouri G. / New intermetallics YbAu2In4and Yb2Au 3In5. In: Inorganic Chemistry. 2010 ; Vol. 49, No. 22. pp. 10468-10474.
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